Another excellent move. Black won't keep material equality for long and the difference in queen activity is clear. White is winning.
34... f6f5 Trying to create active play in the kingside. 35. a7b8 Another marvelous subtle move. Maybe it's not the best according to computer science, but it's a very good choice for human play. 35... f5g4  36. b8e5  36... e7d8 